Newark (EWR) to Denver (DEN): On-Time Performance
Data through May 2026
The calendar drives reliability on EWR–DEN. April 2026 flights landed on schedule 89% of the time, but June 2024 dropped to 63% — a gap of 26 points. Across the full period the route averages 76% on-time against a national 78%. Morning departures also hold up better than evening ones (85% vs 67%), which matters most in the rough months.
- On-time
- 76%
- arrived <15 min late
- Avg delay
- 18 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 9.0
- last 12 months
- Duration
- 4h 25m
- scheduled
- Distance
- 1,605 mi
Monthly on-time trend
Best time to fly from EWR to DEN
Aim for departures around 5 a.m. (92% on-time); avoid 9 p.m. departures (65%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 15 min |
| Tuesdaybest | 81% | 14 min |
| Wednesday | 79% | 17 min |
| Thursday | 73% | 22 min |
| Friday | 72% | 20 min |
| Saturday | 73% | 20 min |
| Sunday | 77% | 19 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft41%
- Airline operations29%
- National airspace system26%
- Weather5%
Frequently asked questions
- How often are flights from EWR to DEN delayed?
- 24% of EWR–DEN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 18 minutes.
- What is the best time of day to fly from EWR to DEN?
- Departures around 5 a.m. have the best record (92% on-time), while departures around 9 p.m. have the worst (65%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from EWR to DEN?
- The scheduled EWR–DEN flight time averages 4h 25m over 1,605 miles. Actual arrival times vary — flights on this route land 15+ minutes late 24% of the time.
- How often are EWR to DEN flights cancelled?
- 1.2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from EWR to DEN?
- June 2024 was the roughest month in this dataset, with only 63% of arrivals on time. The best was April 2026 at 89%. If your dates are flexible, that 26-point gap is worth planning around.
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Based on 6,453 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.